Specifications include, but are not limited to: 12.1 Unit shall be a stand-alone style. 12.2 Unit shall be portable. 12.3 Unit shall be a drive through style with at least a 14’ width. 12.4 Unit shall have powered height adjustment. 12.5 Unit shall be powered by 110V outlet. 12.6 The snow removal machine, or its attachments, shall not interfere with roof hatches or exterior lighting on bus. 12.6.1 If submitting a snow removal system with a scraper, the unit shall have a vee style scraper blade with brush/bristle attachments. 12.7 Unit shall be able to clear at least 24” of snowfall in a single pass. 12.8 Unit must be able to clear snow from a range of roof heights between 7 ½’ – 14’. 12.9 Unit shall be equipped with a flood light to aid in nighttime snow removal. 12.10 Unit shall be delivered and assemble with proper training included. 12.11 Full operating, safety, and maintenance instructions shall be furnished for the unit being offered.